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SDS-PAGE of enzyme fractions obtained during purification of the l-amidase from O. anthropi NCIMB 40321. Lane 1, low-molecular-weight marker; lane 2, CFE (120 ng); lane 3, protein after (NH4)2SO4 fractionation (110 ng); lane 4, protein after Mono Q chromatography (170 ng); lane 5, protein after HiLoad Superdex 200 gel filtration (85 ng); lanes 6 and 7, protein after Alkyl Superose chromatography (64 ng and 32 ng, respectively).
